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Light Blue

Hex #ADD8E6, rgb(173 216 230). A cyan or teal CSS named color.

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Light Blue color codes

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HEX
RGB
HSL
HSV
HWB
CMYK
OKLCH
OKLab
Lab
LCH
CSS keyword

About Light Blue

Light Blue is a light muted cyan-teal with the hex code #ADD8E6. In RGB it is made of 173 red, 216 green and 230 blue; in HSL its hue is 195°, with 53% saturation and 79% lightness. Its perceptual lightness (OKLCH L) is 85.6%.

It is a CSS named color, so you can write "lightblue" anywhere CSS accepts a color. Against white it has a contrast ratio of 1.53:1 and against black 13.74:1, so black text reads better on it and passes WCAG AA for normal text.

Tints, shades and tones

Light Blue mixed step by step with white, black and middle gray (#808080).

Tints (with white)

Shades (with black)

Tones (with gray)

Light Blue 50-950 scale

A Tailwind-style scale built in OKLCH; the original color sits on the step with the closest lightness.

Colors that go with Light Blue

Color harmonies rotate the hue in OKLCH and keep the lightness and chroma. Each color links to its closest named color.

Complementary

Analogous

Triadic

Split complementary

Tetradic

Square

Monochromatic

Contrast and readability

WCAG 2 contrast of Light Blue with white and black. The readable text color on Light Blue is black.

Light Blue textSmall text on white

On white1.53:1

  • AA fail
  • AA Large fail
  • AAA fail
  • UI 3:1 fail

APCA Lc 24

Light Blue textSmall text on black

On black13.74:1

  • AA pass
  • AA Large pass
  • AAA pass
  • UI 3:1 pass

APCA Lc -79

Black text on Light Blue (#000000)

Test any pair in the contrast checker.

Color blindness preview

How Light Blue appears with each type of color vision deficiency (simulated with the Machado model).

  • Protanopia#CFD5E7
  • Deuteranopia#C6CEE6
  • Tritanopia#9CDDDC
  • Protanomaly#C6D5E7
  • Deuteranomaly#C1D1E6
  • Tritanomaly#A6DAE2
  • Achromatopsia#D1D1D1

Colors similar to Light Blue

The closest named colors by perceptual difference (OKLab).

Use Light Blue in CSS and Tailwind

CSS
.light-blue {
  color: lightblue; /* #ADD8E6 */
  background-color: rgb(173 216 230);
  border-color: oklch(85.6% 0.049 219.7);
}
Tailwind CSS
/* Tailwind CSS v4: bg-light-blue-500, text-light-blue-700... */
@theme {
  --color-light-blue-50: #F3FCFF;
  --color-light-blue-100: #D7EDF5;
  --color-light-blue-200: #ADD8E6;
  --color-light-blue-300: #6FC4DD;
  --color-light-blue-400: #00A5C7;
  --color-light-blue-500: #008EAB;
  --color-light-blue-600: #007993;
  --color-light-blue-700: #006277;
  --color-light-blue-800: #004F61;
  --color-light-blue-900: #00404F;
  --color-light-blue-950: #001A21;
}

<!-- or the exact color, no config -->
<div class="bg-[#ADD8E6] text-[#000000]">…</div>